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1)A) 17.5°C below zero on the Celsius scale is what Fahrenheit temperature? Do not enter unit.
B) 17.5°C below zero on the Fahrenheit scale is what Celsius temperature? Do not enter unit.
2) A small bridge is constructed of a single concrete slab which has a length of 14.5 m at 21.7 °C.
Calculate the change in the length of the bridge if the temperature changes to 28.7 °C?
3) It is observed that 59.6 mL of water at 18.6°C completely fills a container to the brim. When the container and the water are heated to 60.0°C, 0.370 g of water is lost. What is the coefficient of volume expansion of the container (in °C?1)? Density of water at 60.0°C is 0.98324 g/mL.
In its own reference frame, a box has the shape of a cube 2.5mon a side. This box is loaded onto the flat floor of a spaceship, What is the volume of the box as we observe it
A star with a surface temperature of 19,000 K and a radius of 3.7 X 106 km is located at a distance of 520 pc from the Earth. What is the luminosity of this star
An electron starts from rest 5.00 cm from the center of a uniformly charged sphere of radius 4.00 cm. If the sphere carries a total charge of 1.00 x10-9 C, how fast would the electron be moving when it reaches the surface of the sphere.
A small helium-neon laser emits red visible light with a power of 3.2 mW in a beam with a diameter of 2.5 mm. what is the total energy contained in a 1.00 m length of the beam
Two particles having charges of 0.520 nC and 18.7 nC are separated by a distance of 1.10 m, Where would the net electric field be zero if one of the charges were negative
A brick hangs from a string attached to the ceiling. When a horizontal force of 15 N is applied to the brick, What is the mass of the brick
The coefficients of friction between a block of mass 1.0 kg and a surface are ?s = 0.75 and ?k = 0.40. What is the magnitude of the frictional force
An electron is released a short distance above Earth's surface, the first electron just great enough to cancel the gravitational force on it, How far below the first electron is the second
a search light requires 56 watts of power when connected to 117 volts. What is the resistance of the searchlight
At t = 0, a particle leaves the origin with a velocity of 9 m/s in the positive y direction and moves in xy plane with a constant acceleration of (-2 i -4 j) m/s2. At t = 1 s, what is the velocity of particle in the x direction.
A 14.4 cm long tendon was found to stretch 3.79 mm by a force of 11.1 N. Calculate the Young's modulus of this tendon
You are a delivery person for the Fresh Aqua Spring Water Company. Your truck carries 3 pallets. How many full cases of water can you carry on the cart
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